256901909

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{743}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 304212672

約数和(自身を除く): 47310763

約数列:

[1, 11, 17, 43, 187, 473, 731, 743, 1849, 8041, 8173, 12631, 20339, 31433, 31949, 138941, 345763, 351439, 543133, 1373807, 5974463, 15111877, 23354719, 256901909]

約数ペア:

[(1, 256901909), (11, 23354719), (17, 15111877), (43, 5974463), (187, 1373807), (473, 543133), (731, 351439), (743, 345763), (1849, 138941), (8041, 31949), (8173, 31433), (12631, 20339)]